Dev Builds » 20241208-1857

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:51:08 585259 3998 1551 557 1890 +88.23 ± 4.98 1 110 795 1080 13 +186.82 ± 12.07
ncm-dbt-02 06:49:16 586659 4000 1587 542 1871 +92.92 ± 4.92 2 91 783 1108 16 +198.1 ± 12.15
ncm-dbt-03 06:50:09 587001 4000 1543 522 1935 +90.69 ± 4.99 3 98 792 1089 18 +192.24 ± 12.09
ncm-dbt-04 06:50:24 571095 4004 1540 548 1916 +87.91 ± 4.93 4 98 812 1078 10 +187.39 ± 11.93
ncm-dbt-05 06:50:58 585481 3998 1580 559 1859 +90.74 ± 4.9 2 87 817 1074 19 +191.89 ± 11.87
20000 7801 2728 9471 +90.09 ± 2.21 12 484 3999 5429 76 +191.27 ± 5.37

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
389955 ncm-dbt-04 572840 4 2 0 2 +190.27 ± 27.79 0 0 0 2 0 +1199.83 ± 312.71
389954 ncm-dbt-01 587325 498 200 80 218 +85.4 ± 14.1 0 13 106 127 3 +177.16 ± 33.09
389953 ncm-dbt-05 586477 498 195 65 238 +92.84 ± 13.94 1 8 103 134 3 +197.42 ± 33.47
389952 ncm-dbt-03 586308 500 188 67 245 +85.78 ± 13.46 1 8 111 129 1 +183.51 ± 32.06
389951 ncm-dbt-02 585885 500 202 64 234 +98.44 ± 13.18 0 7 100 141 2 +211.87 ± 33.93
389950 ncm-dbt-04 568713 500 192 60 248 +93.95 ± 15.53 0 22 77 148 3 +198.34 ± 38.58
389949 ncm-dbt-01 584832 500 183 66 251 +82.83 ± 13.54 0 13 107 130 0 +176.33 ± 32.93
389948 ncm-dbt-05 588302 500 185 70 245 +81.36 ± 13.66 0 12 113 123 2 +169.27 ± 31.88
389947 ncm-dbt-02 585421 500 205 66 229 +99.2 ± 13.35 0 8 97 143 2 +213.85 ± 34.58
389946 ncm-dbt-03 585379 500 195 63 242 +93.95 ± 13.61 0 10 100 138 2 +200.24 ± 34.09
389945 ncm-dbt-04 571913 500 178 64 258 +80.63 ± 12.7 0 8 120 122 0 +171.02 ± 30.5
389944 ncm-dbt-05 585970 500 205 77 218 +90.96 ± 13.87 0 10 106 130 4 +189.0 ± 32.98
389943 ncm-dbt-01 586308 500 194 59 247 +96.19 ± 14.11 1 11 91 146 1 +209.91 ± 35.92
389942 ncm-dbt-02 586689 500 190 70 240 +85.04 ± 14.49 0 17 98 133 2 +178.11 ± 34.58
389941 ncm-dbt-03 588387 500 199 66 235 +94.69 ± 13.14 0 9 99 142 0 +206.01 ± 34.24
389940 ncm-dbt-04 571070 500 205 69 226 +96.94 ± 13.49 1 6 101 140 2 +209.91 ± 33.74
389939 ncm-dbt-05 582152 500 206 71 223 +96.19 ± 13.64 1 7 100 140 2 +207.95 ± 33.99
389938 ncm-dbt-02 587962 500 202 68 230 +95.44 ± 13.94 0 13 91 145 1 +206.01 ± 35.92
389937 ncm-dbt-03 586308 500 195 61 244 +95.44 ± 14.1 0 11 98 137 4 +200.24 ± 34.5
389936 ncm-dbt-01 585295 500 181 57 262 +88.0 ± 14.41 0 17 93 139 1 +187.16 ± 35.51
389935 ncm-dbt-04 568673 500 203 76 221 +90.22 ± 13.7 1 10 100 139 0 +196.45 ± 34.12
389934 ncm-dbt-05 582819 500 201 77 222 +88.0 ± 13.81 0 12 104 132 2 +185.33 ± 33.42
389933 ncm-dbt-02 585548 500 196 76 228 +85.04 ± 13.9 0 14 103 132 1 +179.9 ± 33.65
389932 ncm-dbt-04 572719 500 182 67 251 +81.37 ± 14.4 1 13 109 124 3 +169.27 ± 32.62
389931 ncm-dbt-01 585126 500 211 80 209 +93.2 ± 13.91 0 10 103 133 4 +194.57 ± 33.53
389930 ncm-dbt-03 587749 500 183 66 251 +82.83 ± 15.94 2 19 94 130 5 +171.02 ± 35.27
389929 ncm-dbt-05 582903 500 185 64 251 +85.78 ± 14.94 0 21 88 140 1 +181.7 ± 36.39
389928 ncm-dbt-01 584327 500 192 83 225 +76.97 ± 14.27 0 17 109 122 2 +158.93 ± 32.69
389927 ncm-dbt-04 571391 500 193 69 238 +88.0 ± 13.5 0 11 105 133 1 +187.16 ± 33.21
389926 ncm-dbt-02 587834 500 198 76 226 +86.52 ± 13.32 0 10 109 130 1 +183.51 ± 32.46
389925 ncm-dbt-03 586477 500 195 82 223 +79.9 ± 15.2 0 21 99 126 4 +162.35 ± 34.39
389924 ncm-dbt-04 570989 500 189 73 238 +82.1 ± 14.13 0 16 103 130 1 +172.78 ± 33.69
389923 ncm-dbt-05 581860 500 199 60 241 +99.2 ± 13.19 0 7 99 142 2 +213.85 ± 34.13
389922 ncm-dbt-02 585759 500 201 62 237 +99.2 ± 13.83 0 9 97 140 4 +209.91 ± 34.63
389921 ncm-dbt-01 583866 500 195 71 234 +88.0 ± 14.56 0 18 91 140 1 +187.16 ± 35.88
389920 ncm-dbt-03 584495 500 194 44 262 +107.54 ± 12.53 0 4 93 152 1 +238.66 ± 35.13
389919 ncm-dbt-05 593369 500 204 75 221 +91.71 ± 13.73 0 10 104 133 3 +192.71 ± 33.34
389918 ncm-dbt-02 588174 500 193 60 247 +94.7 ± 15.12 2 13 88 144 3 +204.07 ± 36.53
389917 ncm-dbt-04 571551 500 196 70 234 +89.48 ± 14.0 1 12 97 140 0 +194.57 ± 34.74
389916 ncm-dbt-03 590911 500 194 73 233 +85.78 ± 14.22 0 16 98 135 1 +181.7 ± 34.58
389915 ncm-dbt-01 585000 500 195 61 244 +95.44 ± 13.63 0 11 95 143 1 +206.01 ± 35.09

Commit

Commit ID afaf3a0f2a06918e4c046e27743cbe71befb3216
Author Michael Chaly
Date 2024-12-08 18:57:59 UTC
Refine statscore for captures Continuation of previous attempts there. Now instead of using capture history with a static offset also add the value of the captured piece in the same way at it is used in movepicker. Passed STC: https://tests.stockfishchess.org/tests/view/674aa3d386d5ee47d95404aa LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 116480 W: 30433 L: 29999 D: 56048 Ptnml(0-2): 361, 13720, 29662, 14118, 379 Passed LTC: https://tests.stockfishchess.org/tests/view/674c4b2d86d5ee47d954073f LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 133542 W: 34365 L: 33847 D: 65330 Ptnml(0-2): 78, 14585, 36934, 15089, 85 closes https://github.com/official-stockfish/Stockfish/pull/5706 Bench: 934447
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